diff options
Diffstat (limited to 'actionpack/lib/action_view')
-rw-r--r-- | actionpack/lib/action_view/helpers/prototype_helper.rb | 50 |
1 files changed, 44 insertions, 6 deletions
diff --git a/actionpack/lib/action_view/helpers/prototype_helper.rb b/actionpack/lib/action_view/helpers/prototype_helper.rb index 0da5cc5579..4ece6f8709 100644 --- a/actionpack/lib/action_view/helpers/prototype_helper.rb +++ b/actionpack/lib/action_view/helpers/prototype_helper.rb @@ -180,16 +180,54 @@ module ActionView form_tag(options[:html].delete(:action) || url_for(options[:url]), options[:html], &block) end - # Works like form_remote_tag, but uses form_for semantics. - def remote_form_for(record_or_name, *args, &proc) + # Creates a form that will submit using XMLHttpRequest in the background + # instead of the regular reloading POST arrangement and a scope around a + # specific resource that is used as a base for questioning about + # values for the fields. + # + # === Resource + # + # Example: + # <% remote_form_for(@post) do |f| %> + # ... + # <% end %> + # + # This will expand to be the same as: + # + # <% remote_form_for :post, @post, :url => post_path(@post), :html => { :method => :put, :class => "edit_post", :id => "edit_post_45" } do |f| %> + # ... + # <% end %> + # + # === Nested Resource + # + # Example: + # <% remote_form_for([@post, @comment]) do |f| %> + # ... + # <% end %> + # + # This will expand to be the same as: + # + # <% remote_form_for :comment, @comment, :url => post_comment_path(@post, @comment), :html => { :method => :put, :class => "edit_comment", :id => "edit_comment_45" } do |f| %> + # ... + # <% end %> + # + # If you don't need to attach a form to a resource, then check out form_remote_tag. + # + # See FormHelper#form_for for additional semantics. + def remote_form_for(record_or_name_or_array, *args, &proc) options = args.extract_options! - case record_or_name + case record_or_name_or_array when String, Symbol - object_name = record_or_name + object_name = record_or_name_or_array + when Array + object = record_or_name_or_array.last + object_name = ActionController::RecordIdentifier.singular_class_name(object) + apply_form_for_options!(record_or_name_or_array, options) + args.unshift object else - object = record_or_name - object_name = ActionController::RecordIdentifier.singular_class_name(record_or_name) + object = record_or_name_or_array + object_name = ActionController::RecordIdentifier.singular_class_name(record_or_name_or_array) apply_form_for_options!(object, options) args.unshift object end |